The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for ROLAP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ROLAP over the 3 months to 27 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Relational OLAP (ROLAP)
England / London
Rank - 644 660
Permanent jobs citing ROLAP 0 9 2
As % of all permanent IT jobs advertised in London - 0.021% 0.005%
As % of the Database & Business Intelligence category - 0.069% 0.015%
Number of salaries quoted 0 9 2
Median salary - £50,000 £60,000
Median salary % change year-on-year - -16.66%  
UK excluding London median salary £42,500 £62,500 £34,000
% change year-on-year -32.00% +83.82%  

ROLAP is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for database and business intelligence skills.

Database & Business Intelligence Skills
London
Permanent job vacancies with a requirement for database and business intelligence skills 10112 13098 13034
As % of all permanent IT job vacancies advertised in London 30.21% 31.22% 30.41%
Number of salaries quoted 8783 11422 11201
Median salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.34% +4.54%  
90% offered a salary of more than £40,000 £40,000 £38,000
10% offered a salary of more than £85,000 £75,000 £80,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year - +6.25%  

ROLAP
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing ROLAP as a proportion of all permanent or contract IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for ROLAP in London

ROLAP
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ROLAP in London.

Salary trend for ROLAP in London